<!-- 列表选择通用组件，参考 ProductList 组件使用 -->
<template>
  <Dialog v-model="dialogVisible" :appendToBody="true" :scroll="true" :title="title" width="60%">
    <el-table
      ref="multipleTableRef"
      v-loading="loading"
      :data="list"
      :show-overflow-tooltip="true"
      :stripe="true"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" />
      <slot></slot>
    </el-table>
    <!-- 分页 -->
    <Pagination
      v-model:limit="queryParams.pageSize"
      v-model:page="queryParams.pageNo"
      :total="total"
      @pagination="getList"
    />
    <template #footer>
      <el-button :disabled="formLoading" type="primary" @click="submitForm">确 定</el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>
</template>

<script lang="ts" setup>
  import { ElTable } from 'element-plus'

  defineOptions({ name: 'TableSelectForm' })
  withDefaults(
    defineProps<{
      modelValue: any[]
      title: string
    }>(),
    { modelValue: () => [], title: '选择' }
  )
  const list = ref([]) // 列表的数据
  const total = ref(0) // 列表的总页数
  const loading = ref(false) // 列表的加载中
  const dialogVisible = ref(false) // 弹窗的是否展示
  const formLoading = ref(false)
  const queryParams = reactive({
    pageNo: 1,
    pageSize: 10
  })
  // 确认选择时的触发事件
  const emits = defineEmits<{
    (e: 'update:modelValue', v: number[]): void
  }>()
  const multipleTableRef = ref<InstanceType<typeof ElTable>>()
  const multipleSelection = ref<any[]>([])
  const handleSelectionChange = (val: any[]) => {
    multipleSelection.value = val
  }
  /** 触发 */
  const submitForm = () => {
    formLoading.value = true
    try {
      emits('update:modelValue', multipleSelection.value) // 返回选择的原始数据由使用方处理
    } finally {
      formLoading.value = false
      // 关闭弹窗
      dialogVisible.value = false
    }
  }

  const getList = async (getListFunc: Function) => {
    loading.value = true
    try {
      const data = await getListFunc(queryParams)
      list.value = data.list
      total.value = data.total
    } finally {
      loading.value = false
    }
  }

  /** 打开弹窗 */
  const open = async (getListFunc: Function) => {
    dialogVisible.value = true
    await nextTick()
    if (multipleSelection.value.length > 0) {
      multipleTableRef.value!.clearSelection()
    }
    await getList(getListFunc)
  }
  defineExpose({ open }) // 提供 open 方法，用于打开弹窗
</script>
